.dark-theme {
    .sidebar, .navbar {
      background: #304156!important;
    }
    .breadBtn {
      background: brown!important;
    }
  }
  
  .purple-theme {
    .sidebar, .navbar {
      background: #6959CD!important;
    }
    .breadBtn {
      background: orange!important;
    }
  }
  
  .red-theme {
    .sidebar, .navbar {
      background: #F5222D!important;
    }
    .breadBtn {
      background: blue!important;
    }
  }